
Get matched with top tankless water heater repair pros in your area
Enter your zip and get matched with up to 3 pros
Matching on HomeAdvisor
Tankless water heater repair pros in San Tan Valley

We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"Efficient, helpful and quick!"
Shalanda L on February 2023
We're dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"Efficient, helpful and quick!"
Shalanda L on February 2023

Whether it's that annoying dripping faucet, or an emergency pipe repair job, our licensed plumbers have the training and tools to handle the smallest or the largest plumbing job and we guarantee to fix it right the first time. At EZ Flow Plumbing, LLC, we understand that we've been invited into your home to perform a much needed service, and as your guests, our certified, licensed, plumbers will conduct themselves in a highly professional manner and maintain a neat and clean work area. We'll also provide a written estimate before we begin the job so you'll know how long we anticipate the job taking and how much the final bill will be, including parts and labor. The last thing you want in a plumbing emergency is another surprise. Call us today!
"Came out within the hour and did not require photos etc. to show up. Fixed my problem and was very polite and accommodating. Kenneth Kowalczyk was a 5 star serviceman. Did not charge for the simple solution and offered to come the next day to test the water without charge. I felt he was very honest and i will for sure be calling him to install or update my system when it's needed. "
DURK D on June 2025
Whether it's that annoying dripping faucet, or an emergency pipe repair job, our licensed plumbers have the training and tools to handle the smallest or the largest plumbing job and we guarantee to fix it right the first time. At EZ Flow Plumbing, LLC, we understand that we've been invited into your home to perform a much needed service, and as your guests, our certified, licensed, plumbers will conduct themselves in a highly professional manner and maintain a neat and clean work area. We'll also provide a written estimate before we begin the job so you'll know how long we anticipate the job taking and how much the final bill will be, including parts and labor. The last thing you want in a plumbing emergency is another surprise. Call us today!
"Came out within the hour and did not require photos etc. to show up. Fixed my problem and was very polite and accommodating. Kenneth Kowalczyk was a 5 star serviceman. Did not charge for the simple solution and offered to come the next day to test the water without charge. I felt he was very honest and i will for sure be calling him to install or update my system when it's needed. "
DURK D on June 2025

Bumble Bee Home Services is a fully licensed, bonded, and insured plumbing contractor in the state of Arizona. We provide both residential and commercial plumbing services to clients in and around the Glendale and Phoenix areas. Our record of providing exceptional plumbing service has earned our plumbing and drain company an A+ rating with the Better Business Bureau, as well as glowing reviews from customers. In fact, our customers believe we’re the best plumbers in Glendale and Phoenix because we always offer responsive, customer-focused service and first-class plumbing solutions. We back up this commitment to being the best plumbers in Glendale with a 100% customer satisfaction guarantee. Making and keeping our customers happy is how we’ve been successful at building our business on great referrals! We’re here for you, ready to provide top-notch, friendly service, along with exceptional workmanship and optimal value.
"Great service. Used multiple times. "
daniel d on August 2025
Bumble Bee Home Services is a fully licensed, bonded, and insured plumbing contractor in the state of Arizona. We provide both residential and commercial plumbing services to clients in and around the Glendale and Phoenix areas. Our record of providing exceptional plumbing service has earned our plumbing and drain company an A+ rating with the Better Business Bureau, as well as glowing reviews from customers. In fact, our customers believe we’re the best plumbers in Glendale and Phoenix because we always offer responsive, customer-focused service and first-class plumbing solutions. We back up this commitment to being the best plumbers in Glendale with a 100% customer satisfaction guarantee. Making and keeping our customers happy is how we’ve been successful at building our business on great referrals! We’re here for you, ready to provide top-notch, friendly service, along with exceptional workmanship and optimal value.
"Great service. Used multiple times. "
daniel d on August 2025

ASAP Plumbing Services is a trusted leader in residential and commercial plumbing throughout Tempe, AZ, and the surrounding areas. Known for delivering fast, reliable, and high-quality service, we’ve earned a strong reputation in Arizona’s competitive home services market. Backed by a skilled team and a fully equipped facility, we’re committed to solving plumbing issues quickly and correctly the first time. At ASAP, our "We're On It" promise isn’t just a slogan—it’s the standard that drives everything we do. Whether it’s a minor repair or a major installation, our team is always ready to respond with speed, professionalism, and unmatched expertise.
"I called ASAP about a clogged drain. After unclogging the drain, they did a camera inspection that identified a root that had grown into my exterior pipe. They were able to do a spot repair to remove the root and fix the pipe. The work was done quickly and professionally, would hire them again!"
Frank F on June 2025
ASAP Plumbing Services is a trusted leader in residential and commercial plumbing throughout Tempe, AZ, and the surrounding areas. Known for delivering fast, reliable, and high-quality service, we’ve earned a strong reputation in Arizona’s competitive home services market. Backed by a skilled team and a fully equipped facility, we’re committed to solving plumbing issues quickly and correctly the first time. At ASAP, our "We're On It" promise isn’t just a slogan—it’s the standard that drives everything we do. Whether it’s a minor repair or a major installation, our team is always ready to respond with speed, professionalism, and unmatched expertise.
"I called ASAP about a clogged drain. After unclogging the drain, they did a camera inspection that identified a root that had grown into my exterior pipe. They were able to do a spot repair to remove the root and fix the pipe. The work was done quickly and professionally, would hire them again!"
Frank F on June 2025

Custom Plumbing of Arizona Rated #1: We are The Drain Whisperers, industry leader in sewer repair/replacement, offering trench-less technology. We are more than just a rooter company, we are experts in all facets of plumbing. Looking for a Plumbing company that isn't looking to make you laugh at their commercials then make you cry when you get the bill, use Custom Plumbing. We provide superior service at a fair and reasonable price. Custom Plumbing a family owned company and we treat our customers just like family * Ask about our apples to apples guarantee, we save our customers $100's to $1000's of dollars a day! A QC company (quality certified), plumbers are drug tested, background checked and have a minimum 5 years experience. Honest plumbers doing an honest job, you can trust Custom!! Although only one service man visits your home you can rest assured that there is a team of professionals behind our techs making sure the job gets done right the first time.
"Jose was very professional, polite and friendly. His service was outstanding. I highly recommend Jose and Custom Plumbing."
Ronald B on August 2025
Custom Plumbing of Arizona Rated #1: We are The Drain Whisperers, industry leader in sewer repair/replacement, offering trench-less technology. We are more than just a rooter company, we are experts in all facets of plumbing. Looking for a Plumbing company that isn't looking to make you laugh at their commercials then make you cry when you get the bill, use Custom Plumbing. We provide superior service at a fair and reasonable price. Custom Plumbing a family owned company and we treat our customers just like family * Ask about our apples to apples guarantee, we save our customers $100's to $1000's of dollars a day! A QC company (quality certified), plumbers are drug tested, background checked and have a minimum 5 years experience. Honest plumbers doing an honest job, you can trust Custom!! Although only one service man visits your home you can rest assured that there is a team of professionals behind our techs making sure the job gets done right the first time.
"Jose was very professional, polite and friendly. His service was outstanding. I highly recommend Jose and Custom Plumbing."
Ronald B on August 2025

We're dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in Plumbing, Cooling systems as well as Heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"Professional, knowledgeable (explained every detail), fair and timely."
Michael K on May 2025
We're dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company is built on honesty and integrity. We specialize in Plumbing, Cooling systems as well as Heating and furnace systems. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.
"Professional, knowledgeable (explained every detail), fair and timely."
Michael K on May 2025

With over 35 years of plumbing knowledge here in the Valley. We offer the simple peace of mind in knowing your needs are met with a professional care and quality that doesn't come with a huge overhead markup. I honestly care about people and believe if you treat people well, they will be clients for life and it shows in the quality i provide. thank you for your consideration.
"Roger was absolutely amazing!! He answered my call at 3AM when I had an emergency. He showed up right away in the morning and diagnosed the issue quickly. Roger was so thorough at explaining everything that needed to get done and how to start the process. Will be calling Armstrong Plumbing for all future issues."
Elizabeth T on May 2024
With over 35 years of plumbing knowledge here in the Valley. We offer the simple peace of mind in knowing your needs are met with a professional care and quality that doesn't come with a huge overhead markup. I honestly care about people and believe if you treat people well, they will be clients for life and it shows in the quality i provide. thank you for your consideration.
"Roger was absolutely amazing!! He answered my call at 3AM when I had an emergency. He showed up right away in the morning and diagnosed the issue quickly. Roger was so thorough at explaining everything that needed to get done and how to start the process. Will be calling Armstrong Plumbing for all future issues."
Elizabeth T on May 2024
We at Aquaco, LLC, focus on quality water treatment systems over quantity. We use our years of experience and expertise, completing your project to perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today! We look forward to working with you. Please Note: Company will not install new equipment from other national vendors.
"I want everyone to know how wonderful it was to work with Glenn and his crew. They were very helpful and professional. I felt like they were part of my family. The water treatment and purification system is a wonderful addition to my house. I would recommend them to everyone I know. The water is so much better than city water that was originally going into my home. My granddaughter used to cough when drinking water and now she doesn't. My husband used to have a problem even being able to drink water also and he's drinking the water from our new system. Thank you so very much. 😃😃😃"
Kimberly S on July 2025
We at Aquaco, LLC, focus on quality water treatment systems over quantity. We use our years of experience and expertise, completing your project to perfection. Customer service and honesty are the most important aspects of our business and your satisfaction is guaranteed. Please call us today! We look forward to working with you. Please Note: Company will not install new equipment from other national vendors.
"I want everyone to know how wonderful it was to work with Glenn and his crew. They were very helpful and professional. I felt like they were part of my family. The water treatment and purification system is a wonderful addition to my house. I would recommend them to everyone I know. The water is so much better than city water that was originally going into my home. My granddaughter used to cough when drinking water and now she doesn't. My husband used to have a problem even being able to drink water also and he's drinking the water from our new system. Thank you so very much. 😃😃😃"
Kimberly S on July 2025

Making a Difference in Home Comfort At Way Cool Plumbing & Air, our mission is simple: Make a Difference - in your home, in your day, and in the service you receive. Proudly family-owned and operated, we bring over 20 years of experience serving the Phoenix area with honest, dependable HVAC and plumbing solutions. We believe in giving customers real choices. That's why we always offer Multiple Solutions not one-size-fits-all answers so you can choose what works best for your comfort and budget. And when you're ready to move forward, our team is ready too, with Next Day Installation on most systems. Family-Owned & Operated Multiple Repair & Replacement Options Next-Day Installation Available Licensed, Bonded & Insured Residential & Commercial HVAC & Plumbing Services Experience the Way Cool difference, it's more than a name, it's our commitment to your comfort.
Making a Difference in Home Comfort At Way Cool Plumbing & Air, our mission is simple: Make a Difference - in your home, in your day, and in the service you receive. Proudly family-owned and operated, we bring over 20 years of experience serving the Phoenix area with honest, dependable HVAC and plumbing solutions. We believe in giving customers real choices. That's why we always offer Multiple Solutions not one-size-fits-all answers so you can choose what works best for your comfort and budget. And when you're ready to move forward, our team is ready too, with Next Day Installation on most systems. Family-Owned & Operated Multiple Repair & Replacement Options Next-Day Installation Available Licensed, Bonded & Insured Residential & Commercial HVAC & Plumbing Services Experience the Way Cool difference, it's more than a name, it's our commitment to your comfort.

Here at Knockout Plumbing we are a fully licensed, bonded, and insured plumbing company who works with residential and commercial clients. No plumbing job is out of our wheelhouse and we pride ourselves on our ability to keep everything running smoothly at a fair price.
"I called Knockout Plumbing in the evening and they returned my call first thing the following morning. They sent a technician out and he was here at 9 am. Very friendly and customer service was excellent! This company knows their stuff. We needed a whole new hot water heater and they replaced it at a low cost and very prompt. Thank you Knockout Plumbing for everything you do. I will always use your services."
Samantha Jean C on October 2023
Here at Knockout Plumbing we are a fully licensed, bonded, and insured plumbing company who works with residential and commercial clients. No plumbing job is out of our wheelhouse and we pride ourselves on our ability to keep everything running smoothly at a fair price.
"I called Knockout Plumbing in the evening and they returned my call first thing the following morning. They sent a technician out and he was here at 9 am. Very friendly and customer service was excellent! This company knows their stuff. We needed a whole new hot water heater and they replaced it at a low cost and very prompt. Thank you Knockout Plumbing for everything you do. I will always use your services."
Samantha Jean C on October 2023
- Birmingham
- Phoenix
- Tucson
- Fresno
- Long Beach
- Los Angeles
- Modesto
- Sacramento
- San Diego
- San Francisco
- San Jose
- Denver
- Hartford
- Washington DC
- Fort Lauderdale
- Jacksonville
- Miami
- Orlando
- Tampa
- Atlanta
- Chicago
- Indianapolis
- Louisville
- New Orleans
- Baltimore
- Boston
- Detroit
- Grand Rapids
- Minneapolis
- Saint Paul
- Kansas City
- Saint Louis
- Las Vegas
- Albany
- New York
- Asheville
- Charlotte
- Greensboro
- Raleigh
- Winston Salem
- Cincinnati
- Cleveland
- Columbus
- Oklahoma City
- Portland
- Harrisburg
- Philadelphia
- Pittsburgh
- Providence
- Memphis
- Nashville
- Austin
- Dallas
- El Paso
- Fort Worth
- Houston
- San Antonio
- Salt Lake City
- Norfolk
- Richmond
- Virginia Beach
- Seattle
- Madison
- Milwaukee